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Finding the Fourth Proportional to 2,610.92, 3,603.02 and 1,491.86

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Solution

The fourth proportional to 2,610.92, 3,603.02 and 1,491.86 is: 2,058.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,610.92 : 3,603.02 = 1,491.86 : x
  2. Step 2: Convert to fraction form
    2,610.92/3,603.02 = 1,491.86/x
  3. Step 3: Cross multiply
    2,610.92x = 3,603.02 × 1,491.86
  4. Step 4: Simplify right side
    2,610.92x = 5,375,202.97
  5. Step 5: Solve for x
    x = 5,375,202.97/2,610.92
  6. Step 6: Final answer
    x = 2,058.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.